Diagnosis

Effective treatment is dependent on early recognition and diagnosis and requires a high index of suspicion; however, diagnosis can be difficult and is often made by exclusion of other causes of neurological deterioration such as hydrocephalus, electrolyte imbalance, seizures, re-bleed or edema. Although the diagnosis of DID is largely clinical, it can be confirmed both inva-sively by angiography and non-invasively by TCD and, increasingly, xenon CT.

Transcranial Doppler

TCD was first described as a technique in 1981 and its use in the diagnosis of vasospasm in 1982 by Aaslid [19]. It uses a low-frequency

The term vaginitis is one that is applied to any inflammation or infection of the vagina, and there are many different conditions that are categorized together under this ‘broad’ heading, including bacterial vaginosis, trichomoniasis and non-infectious vaginitis.